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How the coronavirus can kill peoples in 2020


Les coronavirus sont un grupo the virus qui causante the enfermedades chez les mammifères et les oiseaux. Chez l’homme, el virus provoca infecciones respiratorias qui sont généralement bénignes mais, dans de rares cas, peuvent être mortelles. Chez les vaches et les porcs, il peuvent provocan une diarrhée, tandis que chez les poulets, il peuvent provocan une maladie des voies respiratoires supérieures.

About human coronaviruses

Symptoms and diagnosis

Common human coronaviruses, including types 229E, NL63, OC43, and HKU1, usually cause mild to moderate upper respiratory tract diseases, such as the common cold. Most people have been infected with these viruses in their lifetime.

These diseases usually last for a short time.

coronaviruses can sometimes cause lower respiratory tract diseases bronchitis or pneumonia.

  • running nose
  • headache
  • cough
  • sore throat
  • fever
  • a general feeling of discomfort

coronaviruses can sometimes cause lower respiratory tract diseases bronchitis or pneumonia. This is more common in people with heart disease, people with a weakened immune system, babies and the elderly.

Other human coronaviruses

Two other human coronaviruses, MERS-CoV and SARS-CoV, are known to cause serious symptoms.

Symptoms of MERS usually include fever, cough, and shortness of breath, which often turns into pneumonia. About 3 or 4 out of 10 reported patients with MERS have died. Cases of MERS still occur, mainly on the Arabian Peninsula. Symptoms of SARS often include fever, chills and aches and pains, which usually developed into pneumonia. have been reported since 2004 No human cases of SARS.


Your doctor may request laboratory tests on respiratory samples and serum (part of your blood) to detect human coronaviruses. Lab tests performed more often if you have a serious illness or if you are suspected of having MERS.

If you have symptoms, you should inform your healthcare provider about recent trips or contact with animals. Most MERS-CoV infections have been reported in countries on the Arabian Peninsula. That is why reporting a travel history or contact with camels or camel products is very important when diagnosing MERS.

the transmission

Human coronaviruses are usually transmitted from an infected person to others

  • coughing and sneezing
  • Communicating with people, such as touching or shaking hands
  • Touching any object or surface with the virus, then touching your mouth, nose, or eyes before washing
  • rare, fecal contamination

In the United States, people are generally infected with common human coronaviruses in the fall and winter. However, it can become infected at any time of the year. Most people will become infected during their lifetime with one or more of the common human coronaviruses. Young children are more likely to get infected. However, people can have multiple infections during their lifetime.